Security Software Engineer Project Intern (Product Security) - 2026 Start (BS/MS)

San Jose, California, US Until 8/21/2026 H-1B sponsor history First posted March 29, 2026 Last posted March 29, 2026
Job description

Description

About the Team
The team is missioned to build infrastructures, platforms and technologies, as well as to support cross-functional teams to protect our users, products and infrastructures. In this team you'll have a unique opportunity to have first-hand exposure to the strategy of the company in key security initiatives, especially in building scalable and secure-by-design systems and solutions. Our challenges are not your regular day-to-day technical problems; you'll be part of a team that's developing new solutions to new challenges of a kind not previously addressed by big tech. It's working fast, at scale, and we're making a difference.

As a project intern, you will have the opportunity to engage in impactful short-term projects that provide you with a glimpse of professional real-world experience. You will gain practical skills through on-the-job learning in a fast-paced work environment and develop a deeper understanding of your career interests.

Applications will be reviewed on a rolling basis - we encourage you to apply early.

Successful candidates must be able to commit to at least 3 months long internship period.

Responsibilities:
- Participate in security assessments such as pentests on Web or mobile applications.
- Take part in tooling development projects with a security focus, such as code review and API testing. Tools developed will benefit LLM integration.
- Assist in building Evals, harnesses and optimisations on existing AI tooling & systems for Security Review.
- Improve the usage of LLM in the SDLC process and enhance the infrastructure security.

Requirements

Minimum Qualifications
- Undergraduate, or Postgraduate who is currently pursuing a degree/master in Computer Science, Computer Engineering, Information Systems or other STEM disciplines
- Security engineering experience such as threat modeling, security mitigation development, security tooling development or privacy engineering.
- Understanding in various disciplines: web application security, mobile app security, network security, operating system internals and hardening, applied cryptography, cloud computing. You're expected to be an expert in at least one of these areas.
- Experience in writing and reviewing code in at least one of the following programming languages: JavaScript (Node JS), Go, Python, Java, C++, Rust.
- Strong problem-solving skills and excellent debugging / troubleshooting skills.

Preferred Qualifications
- Experience with NLP/LLM
- Knowledge of distributed systems, edge computing, or high-performance network programming

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About this role

Summary

Assist in security assessments, tooling, and AI security improvements in a fast-paced environment

Job title

Security Software Engineer Project Intern (Product Security)

Experience level

entry level

Industry

software

Location requirements

San Jose, CA; remote work not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

security engineeringthreat modelingcode reviewweb application securitymobile app securitynetwork securitycryptographyJavaScriptGoPythonJavaC++Rust

Preferred skills

NLPLLMdistributed systemsedge computinghigh-performance network programming

Specializations

security assessmentstooling developmentAI toolingsecurity reviewLLM
Locations

Structured locations inferred from the posting.

San Jose, CA, USA

On-site City